100221021201 has 16 divisors (see below), whose sum is σ = 152722483200. Its totient is φ = 57267378768.

The previous prime is 100221021181. The next prime is 100221021211. The reversal of 100221021201 is 102120122001.

It is not a de Polignac number, because 100221021201 - 2⁶ = 100221021137 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100221021211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 946360 + ... + 1046918.

It is an arithmetic number, because the mean of its divisors is an integer number (9545155200).

Almost surely, 2^100221021201 is an apocalyptic number.

It is an amenable number.

100221021201 is a deficient number, since it is larger than the sum of its proper divisors (52501461999).

100221021201 is a wasteful number, since it uses less digits than its factorization.

100221021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148028.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 100221021201 its reverse (102120122001), we get a palindrome (202341143202).

The spelling of 100221021201 in words is "one hundred billion, two hundred twenty-one million, twenty-one thousand, two hundred one".